Earth's Life Cycles

Question 1

What is the carbon cycle?

Answer 1

The process of carbon being passed from nature to living things and back to nature

Question 2

What is the nitrogen cycle?

Answer 2

The process of nitrogen being passed from nature to livings things and back to nature

Question 3

What is the rock cycle?

Answer 3

The process of rocks forming, breaking down, and changing

Question 4

Trees and plants taking in CO2 gas is an example of which cycle?

Answer 4

The carbon cycle

Question 5

How does nitrogen go from its unusable form in the atmosphere to a usable form in the soil?

Answer 5

Bacteria. Those bacteria change the form of the nitrogen molecule and “fix” it into the soil

Question 6

Why is nitrogen important?

Answer 6

Because proteins require nitrogen, and all living things need to create proteins

Question 7

Why is carbon important?

Answer 7

Because it bonds with a lot of elements and that means that it can create complex molecules, like the ones in living things.

Question 8

Fungi and bacteria breaking down the waste and dead bodies of animals is a fundamental step in which cycle?

Answer 8

The nitrogen cycle

Question 9

What are the two ways that carbon and nitrogen can be passed from to a different living thing or back to nature?

Answer 9

Consumption (eating) or natural death